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Insert shim frames at entries points to the interpreter. #96421

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markshannon opened this issue Aug 30, 2022 · 0 comments
Open

Insert shim frames at entries points to the interpreter. #96421

markshannon opened this issue Aug 30, 2022 · 0 comments
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performance Performance or resource usage

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@markshannon
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markshannon commented Aug 30, 2022 •
edited by bedevere-bot

Inserting shim frames simplifies RETURN_VALUE, YIELD_VALUE and RETURN_GENERATOR and enables for to be specialized for generators, and await to be specialized for coroutines.

See faster-cpython/ideas#436 for full discussion
@markshannon markshannon added the performance Performance or resource usage label Aug 30, 2022
@bedevere-bot bedevere-bot mentioned this issue Aug 30, 2022
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markshannon added a commit that referenced this issue Nov 10, 2022
@markshannon
GH-96421: Insert shim frame on entry to interpreter (GH-96319)
1e197e6 
* Adds EXIT_INTERPRETER instruction to exit PyEval_EvalDefault()

* Simplifies RETURN_VALUE, YIELD_VALUE and RETURN_GENERATOR instructions as they no longer need to check for entry frames.
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